What is 2(1)^2+3(1)-1 ?

The solution to 2(1)^2+3(1)-1 is 4

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2(1)^2+3(1)-1

2 (1)^{2} + 3 (1) - 1

4

Solution steps

2 (1)^{2} + 3 (1) - 1

Follow the PEMDAS order of operations

Calculate exponents

(1)^{2} : 1

(1)^{2}

(1)^{2} = 1

= 1

= 2 \cdot 1 + 3 (1) - 1

Multiply and divide (left to right)

2 \cdot 1 : 2

2 \cdot 1

2 \cdot 1 = 2

= 2

= 2 + 3 (1) - 1

Multiply and divide (left to right)

3 (1) : 3

3 (1)

Apply rule:

(a) = a

(1) = 1

= 3 \cdot 1

Multiply the numbers:

3 \cdot 1 = 3

= 3

= 2 + 3 - 1

Add and subtract (left to right)

2 + 3 - 1 : 4

2 + 3 - 1

2 + 3 = 5

= 5 - 1

5 - 1 = 4

= 4

= 4

1 9^{2} - 1 7^{2}

(4)^{2} - 8 (4) + 5

(\frac{24}{2} + 56) 38

7 + (- 10) + 8

15 + 5 (8 - 6 + 3) \times 5